OMM

OMM is an abbreviation for

• Upper sea molasse
• the Maronite Order of the Blessed Virgin Mary
• the Mozambican women's organization Organização da Mulher Moçambicana
• the French-speaking and Spanish-speaking names of the World Meteorological Organization (Organization météorologique mondiale / Organización Meteorológica Mundial).

This is a disambiguation page for differentiating between several terms identified with the same word.